Dysoxylum cumingianum C. DC.

Trees, medium sized. Young branches densely covered with thick trichomes, glabrescent. Leaves in spirals, ca. 30 cm, odd-pinnate; leaflets 7-9, opposite or alternate; leaflet blades elliptic to ovate-elliptic, (5-)12-16 × (3-)5-6 cm, membranous, yellowish gray when dry, abaxially densely puberulent along midvein and secondary veins, adaxially glabrous, secondary veins 12-14 on each side of midvein and abaxially ± prominent, base oblique and cuneate to sometimes rounded, apex obtuse to acute. Thyrses linear, ± as long as petioles, ca. 8 cm, densely covered with yellow thick trichomes, borne on older branches and sometimes also axillary. Calyx kettlelike, ca. 2.5 mm, membranous, outside with dense thick trichomes, 4-lobed. Petals 4, linear to elongate-elliptic, ca. 1.5 cm, membranous, apex covered with yellow small trichomes. Staminal tube glabrous; anthers 8, narrowly ellipsoid. Disk cylindric, outside glabrous, inside covered with trichomes. Ovary 4-locular, densely yellow villous, with 1 ovule per locule; style ± as long as filament tube, middle part pilose. Capsule globose, 2-2.5 cm in diam., subglabrous, valvate with 4 or 5 segments.

Taiwan (Lan Yu) [Indonesia, Malaysia, Philippines].

Near sea level to 400 m.

Dysoxylum cumingianum là một loài thực vật có hoa trong họ Meliaceae. Loài này được C.DC. mô tả khoa học đầu tiên năm 1878.

兰屿樫木（学名：Dysoxylum cumingianum； 達悟語：Malavoa），又名蘭嶼椌木，为楝科樫木属下的一种小乔木，分布于中国及东南亚地区，在台湾的兰屿也有分布，因而得名。一回羽状复叶，开白色花，圆锥花序，结蒴果。